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Copy a prompt from any use case below, hand it to your Sella-connected agent, and go. Costs shown are estimates for marketplace and API spend — the runtime x402 challenge sets the exact price at call time, and your own LLM tokens are separate.

Everyday & personal

What you get: a costed, day-by-day itinerary for two, inside budget.
Prompt
How it runs
  1. Searches the web for seasonal advice and rail-pass value.
  2. Pulls points of interest and restaurants from a maps/places provider.
  3. Checks rough lodging and transit costs.
  4. Assembles a costed day-by-day plan under $1,500.
Providers: web search (e.g. Exa) · maps/places · light scrapingEstimated cost: 0.500.50–3 one-time
What you get: a week of meals and workouts matched to your goal, with a grocery list.
Prompt
How it runs
  1. Searches for recipes and sensible training splits.
  2. Assembles a 7-day plan and a combined grocery list.
Providers: web search · optional recipe scrapingEstimated cost: 0.100.10–0.80 per plan
Informational only — not medical advice.
What you get: study material generated from any PDF or topic.
Prompt
How it runs
  1. Reads the document and searches to fill any gaps.
  2. Generates flashcards, a quiz, and an answer key.
Providers: web search (optional) · your agent’s reasoningEstimated cost: 0.050.05–0.50 per chapter
What you get: a ranked shortlist of rentals matching your exact criteria.
Prompt
How it runs
  1. Searches listing sites for matches.
  2. Scrapes details such as price, beds, and pet policy.
  3. Enriches each result with nearby amenities via a maps provider.
  4. Ranks by value and returns the top 10.
Providers: web search · scraping · maps/placesEstimated cost: 0.300.30–2 per run
What you get: a daily price watch with an alert — and optional auto-buy — the moment a price drops.
Prompt
How it runs
  1. Scrapes the product across retailers daily.
  2. Compares against your threshold.
  3. Messages you the moment the price drops.
Providers: scraping · a messaging API (WhatsApp/SMS)Estimated cost: 0.050.05–0.40/day → ~22–12/month scheduled

Business & growth

What you get: a personalized morning briefing delivered to WhatsApp every day.
Prompt
How it runs
  1. Searches the last 24 hours of news with a web-search provider (e.g. Exa).
  2. Pulls trending posts from X on the same topics.
  3. Scrapes the top sources for deeper detail.
  4. Summarizes into 10 ranked headlines.
  5. Sends the brief via a WhatsApp API (e.g. WaSender).
Providers: web search (Exa) · social (X) · scraping · WhatsApp sendEstimated cost: 0.300.30–1.50/day → ~1010–45/month scheduled
What you get: daily price tracking with change alerts and a running log.
Prompt
How it runs
  1. Scrapes each product page daily.
  2. Diffs the result against the previous day’s data.
  3. Appends to a CSV and alerts on significant moves.
Providers: scraping · messaging · storageEstimated cost: 0.050.05–0.75/day → ~22–20/month
What you get: seven on-brand posts with captions, hashtags, and generated images.
Prompt
How it runs
  1. Researches trends in your niche.
  2. Drafts 7 captions with hashtags.
  3. Generates one image per post.
  4. Returns a full posting schedule.
Providers: web/social search · image generationEstimated cost: 0.300.30–1.50 per week
What you get: an every-morning brief on your assets with news sentiment.
Prompt
How it runs
  1. Pulls prices from a market-data provider.
  2. Pulls overnight headlines per asset.
  3. Scores sentiment and formats the brief.
Providers: crypto/finance data · news · web searchEstimated cost: 0.100.10–0.60/day → ~33–18/month
What you get: a ready-to-use CSV of qualified leads with verified emails.
Prompt
How it runs
  1. Searches and enriches matching companies.
  2. Finds a contact per company.
  3. Verifies each email address.
  4. Exports a sorted CSV.
Providers: company/people enrichment · email verification · web searchEstimated cost: 33–12 per 100 leads
What you get: a vetted shortlist with contact info and fit notes.
Prompt
How it runs
  1. Searches profiles matching the brief.
  2. Enriches each with role and contact information.
  3. Verifies emails.
  4. Adds a one-line fit note per candidate.
Providers: people enrichment (LinkedIn-style) · email verification · web searchEstimated cost: 11–5 per run
What you get: a sourced synthesis of a topic’s recent progress.
Prompt
How it runs
  1. Runs many targeted searches across sources.
  2. Scrapes papers and abstracts.
  3. Clusters findings and cites sources.
Providers: web search · scrapingEstimated cost: 0.500.50–4 per run

Ready for the advanced one?

Spawn a child model fine-tuned for your task

Go from a pile of examples to a model that’s yours — buy data, fine-tune with Cradle, and even resell it.